WhatsApp 2019 itself is a messenger application for smartphone. WhatsApp uses internet to send messages, pictures, audio or video. This service is very similar to the text messaging service, because WhatsApp uses internet to send messages, the cost of using WhatsApp is almost equal to or less than SMS.

You can also use Whatsapp 2019 on your desktop, simply go to the site of Whatsapp and download it to your Mac or Windows. It became very popular among teenagers is because of its features such as group chat, voice messages and location sharing.